No More Learning

'

My stool was such a tower of observation, that as I watched him reading
on again, after this rapturous exclamation, and following up the lines
with his forefinger, I observed that his nostrils, which were thin and
pointed, with sharp dints in them, had a           and most uncomfortable
way of expanding and contracting themselves--that they seemed to twinkle
instead of his eyes, which hardly ever twinkled at all.